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.TH lib 1 "April 1993" "Scilab Group" "Scilab Function"
.so ../sci.an
.SH NAME
lib - library definition
.SH CALLING SEQUENCE
.nf
[xlib]=lib('lib_path')
.fi
.SH PARAMETERS
.TP 10
lib_path
: character string
.SH DESCRIPTION
\fVlib_path\fR is a character string defining the path of a directory
containing functions . This directory must contain the binary files
\fVnames(i).bin\fR and an additional file \fVnames\fR (which contains
the names of the functions). After the command \fVlib\fR all the
functions of \fVlib_path\fR can be called interactively by Scilab.
Such a binary file, for example \fVfoo.bin\fR can be created
by Scilab using the command \fVsave(lib_path+'/foo.bin',foo)\fR.
Standard Scilab libraries are defined using \fVlib\fR on
SCIDIR/macros/* subdirectories
.SH EXAMPLE
.nf
deff('[z]=myplus(x,y)','z=x+y')
deff('[z]=yourplus(x,y)','x=x-y')
.fi
are two functions and \fVlib_path\fR is : \fVlib_path='/usr/mymachine/mydirectory'\fR
.LP
This directory contains the file \fVnames\fR including \fVmyplus\fR
(first line of the file) and \fVyourplus\fR (second line of the file).
.LP
\fVmyplus\fR and \fVyourplus\fR are compiled functions respectively saved
in the files
.LP
.Vb '/usr/mymachine/mydirectory/myplus.bin'
.LP
.Vb '/usr/mymachine/mydirectory/yourplus.bin'
.LP
by the command:
.nf
save(lib_path+'/myplus.bin',myplus)
save(lib_path+'/yourplus.bin',yourplus)
.fi
A library can now be created with the command:
.nf
xlib=lib(lib_path+'/')
.fi
\fVxlib\fR is then a Scilab variable which can be saved and loaded
in a future session of Scilab or defined on-line or
put in the startup file. The functions in this library are known by
Scilab which automatically loads them when necessary.
.SH SEE ALSO
save, deff, getf, whereis
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